The Fighter

Level Proficiency Bonus Features
1st +2 Fighting Style, Second Wind
2nd +2 Action Surge (one use)
3rd +2 Martial Archetype
4th +2 Ability Score Improvement
5th +3 Extra Attack
6th +3 Ability Score Improvement
7th +3 Martial Archetype feature
8th +3 Ability Score Improvement
9th +4 Indomitable (one use)
10th +4 Martial Archetype feature
11th +4 Extra Attack (2)
12th +4 Ability Score Improvement
13th +5 Indomitable (two uses)
14th +5 Ability Score Improvement
15th +5 Martial Archetype feature
16th +5 Ability Score Improvement
17th +6 Action Surge (two uses), Indomitable (three uses)
18th +6 Martial Archetype feature
19th +6 Ability Score Improvement
20th +6 Extra Attack (3)

This work includes material taken from the System Reference Document 5.1 ("SRD 5.1") by Wizards of the Coast LLC and available at https://dnd.wizards.com/resources/systems-reference-document. The SRD 5.1 is licensed under the Creative Commons Attribution 4.0 International License available at https://creativecommons.org/licenses/by/4.0/legalcode.